XML 47 R34.htm IDEA: XBRL DOCUMENT v3.8.0.1
Equity (Balance of and Changes in Each Component of AOCI) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Balance, Beginning of Period $ 2,063,631 $ 1,139,329
Other Comprehensive Income (Loss), before Reclassifications, before Tax (823,915) 232,681
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax 22,620 7,218
Other Comprehensive Income (Loss), Tax (166,060) 58,073
Balance, End of Period 1,428,396 1,321,155
Accumulated Translation Adjustment [Member]    
Balance, Beginning of Period (86,350) (172,541)
Other Comprehensive Income (Loss), before Reclassifications, before Tax 5,696 (50,735)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax 0 0
Other Comprehensive Income (Loss), Tax (6,856) 28,522
Balance, End of Period (87,510) (194,754)
Accumulated Net Unrealized Investment Gain (Loss) [Member]    
Balance, Beginning of Period [1] 2,200,661 1,355,033
Other Comprehensive Income (Loss), before Reclassifications, before Tax [1] (827,701) 283,443
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax [1] 21,274 5,762
Other Comprehensive Income (Loss), Tax [1] (172,823) 86,090
Balance, End of Period [1] 1,567,057 1,558,148
Accumulated Defined Benefit Plans Adjustment [Member]    
Balance, Beginning of Period (50,680) (43,163)
Other Comprehensive Income (Loss), before Reclassifications, before Tax (1,910) (27)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax 1,346 1,456
Other Comprehensive Income (Loss), Tax (93) 505
Balance, End of Period $ (51,151) $ (42,239)
[1] Includes cash flow hedges of $20,662 and $2,619 as of March 31, 2018 and December 31, 2017, respectively, and $7,690 and $(2,496) as of March 31, 2017 and December 31, 2016, respectively. See Note 5 - “Derivative Instruments” for additional information on cash flow hedges.